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calculate beam spring rate

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chickering

Mechanical
Oct 17, 2009
5
How is spring rate of a simple end supported beam calculated. Is it simply deflecting force in lbs/deflection in inches.

 
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Hi chickering

Work out the deflection at the point of load application then divide by the deflection.

desertfox
 
Hi desertfox
I assume you mean divide the load force by the worked out deflection
 
Hi chickering

Yes in a nutshell however you need the deflection directly under the load your applying

desertfox
 
For a cantilever beam it is 3EI/l^3 off the top of my head.
You will have to work out the SS beam deflection as desertfox indicated.

[peace]
Fe
 
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